◎ 题干
—When did your father come back last night?
—He didn't come back _____ he finished all the work.

[     ]

A. until
B. while
C. if
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“—When did your father come back last night?—He didn't come back _____ he finished all the work. [ ]A. until B. whileC. if …”主要考查了你对  【从属连词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。